Question
Find the value of 1 unit.
  1. 5 u + 4 = 18 - 2 u
  2. 19 - 3 u = 2 u + 4
  3. 1 u - 4 = 21 - 4 u
  4. 22 - 4 u = 2 u - 8
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

(d)

Click button first when a symbol is required. X

Find the value of 1 unit.
  1. 5 u + 4 = 18 - 2 u
  2. 19 - 3 u = 2 u + 4
  3. 1 u - 4 = 21 - 4 u
  4. 22 - 4 u = 2 u - 8